Idaho

$124+ Cheap flights from Santa Rosa (STS) to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
STS — BOI
Apr 15 — Apr 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Santa Rosa to Idaho

Cheapest flights from Santa Rosa to Idaho
Explore the most affordable flight options available from Santa Rosa to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 16, 2026.

This Trip.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:10 am
STS
-
BOI
1 stop6h 14m
Hawaiian Airlines
Sat 4/187:05 pm
BOI
-
STS
1 stop5h 54m
Hawaiian Airlines
Deal found 3/15$228
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:12 pm
STS
-
BOI
1 stop6h 14m
Alaska Airlines
Sat 4/186:00 am
BOI
-
STS
1 stop13h 01m
Alaska Airlines
Deal found 3/12$234
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
STS
-
GEG
1 stop15h 49m
Alaska Airlines
Sat 5/27:09 am
GEG
-
STS
1 stop15h 52m
Alaska Airlines
Deal found 3/12$243
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:10 pm
STS
-
GEG
1 stop27h 39m
Alaska Airlines
Fri 5/17:41 pm
GEG
-
STS
1 stop16h 40m
Alaska Airlines
Deal found 3/12$244
This Expedia deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:02 pm
STS
-
BOI
1 stop3h 56m
Alaska Airlines
Wed 4/157:20 am
BOI
-
STS
1 stop7h 56m
Alaska Airlines
Deal found 3/13$247
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:53 pm
STS
-
BOI
1 stop15h 32m
Alaska Airlines
Mon 4/204:40 pm
BOI
-
STS
1 stop26h 42m
Alaska Airlines
Deal found 3/14$263
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:35 pm
STS
-
GEG
1 stop6h 50m
Southwest
Fri 5/11:30 pm
GEG
-
STS
2 stops9h 10m
Southwest
Deal found 3/12$269
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:10 pm
STS
-
GEG
1 stop27h 39m
Alaska Airlines
Mon 5/47:09 am
GEG
-
STS
1 stop15h 52m
Alaska Airlines
Deal found 3/13$273
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:40 pm
STS
-
GEG
2 stops7h 50m
Southwest
Tue 5/125:10 am
GEG
-
STS
1 stop10h 45m
Southwest
Deal found 3/12$275
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:05 am
STS
-
BOI
2 stops14h 47m
Alaska Airlines
Tue 4/147:05 pm
BOI
-
STS
1 stop5h 54m
Alaska Airlines
Deal found 3/11$275
This Expedia deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:43 am
STS
-
BOI
1 stop10h 34m
Alaska Airlines
Mon 4/137:05 pm
BOI
-
STS
1 stop5h 54m
Alaska Airlines
Deal found 3/11$277
This Alaska Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:30 am
STS
-
BOI
1 stop8h 40m
Alaska Airlines
Mon 4/132:22 pm
BOI
-
STS
1 stop21h 08m
Alaska Airlines
Deal found 3/11$288

Find flight deals from Santa Rosa to Idaho

Keep the following information in mind while searching for Santa Rosa to Idaho flight deals. Data was last updated March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$228
(Trip.com)

One-way from

$124
(Expedia)

Popular in

March

Cheapest in

April

Average price

$326
Provider with most accurate pricing for San Francisco-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for San Francisco-Boise Air Term. Gowen Fld flights.
From Santa Rosa Sonoma County to Idaho
One-way flight from Santa Rosa Sonoma County to Idaho
Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 16, 2026.
Use the filters below to find and compare flights from Santa Rosa to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaBoise

STS - BOI

STSBOI

Santa Rosa Sonoma County

Wed 4/15

2:12 pm-9:26 pm

1 stop6h 14m

Boise Air Term. Gowen Fld

Sat 4/18

6:00 am-6:01 pm

1 stop13h 01m

$234

Santa RosaSpokane

STS - GEG

STSGEG

Santa Rosa Sonoma County

Wed 4/29

7:00 am-10:49 pm

1 stop15h 49m

Spokane

Sat 5/2

7:09 am-11:01 pm

1 stop15h 52m

$243

Santa RosaSpokane

STS - GEG

STSGEG

Santa Rosa Sonoma County

Mon 5/11

4:40 pm-12:30 am

2 stops7h 50m

Spokane

Tue 5/12

5:10 am-3:55 pm

1 stop10h 45m

$275

Santa RosaBoise

STS - BOI

STSBOI

Santa Rosa Sonoma County

Sat 4/11

7:02 pm-11:58 pm

1 stop3h 56m

Boise Air Term. Gowen Fld

Wed 4/15

7:40 am-11:59 pm

2 stops17h 19m

$285

Santa RosaSpokane

STS - GEG

STSGEG

Santa Rosa Sonoma County

Thu 5/21

7:59 am-3:29 pm

1 stop7h 30m

Spokane

Tue 5/26

7:01 am-11:56 pm

1 stop16h 55m

$324

Santa RosaBoise

STS - BOI

STSBOI

Santa Rosa Sonoma County

Wed 4/15

6:00 am-4:25 pm

2 stops9h 25m

Boise Air Term. Gowen Fld

Sat 4/18

3:25 pm-8:30 pm

2 stops6h 05m

$329

Santa RosaSpokane

STS - GEG

STSGEG

Santa Rosa Sonoma County

Thu 5/14

7:59 am-9:18 pm

2 stops13h 19m

Spokane

Wed 5/20

7:01 am-11:50 pm

1 stop16h 49m

$343

Santa RosaBoise

STS - BOI

STSBOI

Santa Rosa Sonoma County

Fri 4/24

10:41 am-5:59 pm

1 stop6h 18m

Boise Air Term. Gowen Fld

Fri 4/24

7:14 pm-11:01 pm

1 stop4h 47m

$350
Quickest round-trip

Santa RosaBoise

STS - BOI

STSBOI

Santa Rosa Sonoma County

Fri 4/17

7:02 pm-11:58 pm

1 stop3h 56m

Boise Air Term. Gowen Fld

Sun 4/19

5:50 am-9:03 am

1 stop4h 13m

$353

Santa RosaBoise

STS - BOI

STSBOI

Santa Rosa Sonoma County

Sun 5/3

8:00 pm-11:02 pm

1 stop26h 02m

Boise Air Term. Gowen Fld

Fri 5/8

2:57 pm-11:27 pm

2 stops9h 30m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 47 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Santa Rosa to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Santa Rosa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to Idaho

What is the cheapest month to book a flight from Santa Rosa to Idaho?

Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Idaho (average of $78). Flying from Santa Rosa to Idaho in December is currently the most expensive (average of $151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated March 16, 2026.
Read reviews from past customers who have flown Alaska Airlines and Avelo Airlines from Santa Rosa to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Avelo Airlines
7.6
Good

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Santa Rosa to Idaho?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County (STS) is the airport most travelers will use when flying to Idaho from Santa Rosa.

  • How long is the flight from Santa Rosa to Idaho?

    Alaska Airlines and Southwest can get you from Santa Rosa to Idaho in just under 6h 14m. Your travel time can differ by up to 36m. Airlines will cover a distance of 489 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Santa Rosa to Idaho?

  • Can I find deals for flights from Santa Rosa to Idaho that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Idaho.

  • Can I find deals for business class flights from Santa Rosa to Idaho?

    Yes. Cheapflights offers flight deals from Santa Rosa to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to Idaho?

    Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Idaho (average of $78). Flying from Santa Rosa to Idaho in December is currently the most expensive (average of $151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Rosa to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Santa Rosa to Idaho

Discover the top 2 airlines that operate flights from Santa Rosa to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$111Average$127FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$259Average$414FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.